		  // Init Lightense
          // 检测class=lightense的图片
		  window.addEventListener('load', function () {
		    // Lightense('img:not(.no-lightense),.lightense');
		    Lightense('.lightense');
		  }, false);

		  // Example: Lazy Lightense
		  document.addEventListener('DOMContentLoaded', function (e) {
		    function createDom (type, cssClass) {
		      var div = document.createElement(type);
		      div.className = cssClass;
		      return div;
		    }

		    var thumb = document.querySelector('.lightense-lazy');
		    var original = new Image();

		    // Init wrapper
		    var wrap = createDom('div', 'lightense-lazy-wrap');
		    thumb.parentNode.insertBefore(wrap, thumb);
		    wrap.appendChild(thumb);

		    // Wrap thumbnail
		    var thumbWrap = createDom('div', 'lightense-lazy-thumb');
		    thumbWrap.appendChild(thumb);
		    wrap.appendChild(thumbWrap);

		    // Wrap original
		    var originalWrap = createDom('div', 'lightense-lazy-large');
		    original.src = thumb.dataset.original;
		    originalWrap.appendChild(original);
		    wrap.appendChild(originalWrap);

		    // Load original image
		    original.addEventListener('load', function () {
		      wrap.classList.add('on');
		    }, false);
		  });